1148 		*oset = td->td_sigmask;  in kern_sigprocmask()
1155 			oset1 = td->td_sigmask;  in kern_sigprocmask()
1156 			SIGSETOR(td->td_sigmask, *set);  in kern_sigprocmask()
1157 			new_block = td->td_sigmask;  in kern_sigprocmask()
1161 			SIGSETNAND(td->td_sigmask, *set);  in kern_sigprocmask()
1166 			oset1 = td->td_sigmask;  in kern_sigprocmask()
1168 				SIGSETLO(td->td_sigmask, *set);  in kern_sigprocmask()
1170 				td->td_sigmask = *set;  in kern_sigprocmask()
1171 			new_block = td->td_sigmask;  in kern_sigprocmask()
1390 	saved_mask = td->td_sigmask;  in kern_sigtimedwait()
1391 	SIGSETNAND(td->td_sigmask, waitset);  in kern_sigtimedwait()
1450 	SIGSETNAND(new_block, td->td_sigmask);  in kern_sigtimedwait()
1451 	td->td_sigmask = saved_mask;  in kern_sigtimedwait()
1472 			ktrpsig(sig, action, &td->td_sigmask, ksi->ksi_code);  in kern_sigtimedwait()
2142 	sigmask = td->td_sigmask;  in trapsignal()
2150 			    &td->td_sigmask, ksi->ksi_code);  in trapsignal()
2153 		    ksi, &td->td_sigmask);  in trapsignal()
2164 			SIGDELSET(td->td_sigmask, sig);  in trapsignal()
2190 	if (curproc == p && !SIGISMEMBER(curthread->td_sigmask, sig) &&  in sigtd()
2197 		if (!SIGISMEMBER(td->td_sigmask, sig) && (!fast_sigblock ||  in sigtd()
2350 		if (SIGISMEMBER(td->td_sigmask, sig))  in tdsendsignal()
2986 		    !SIGISMEMBER(td->td_sigmask, sig))) {  in reschedule_signals()
3018 	SIGSETNAND(unblocked, td->td_sigmask);  in tdsigcleanup()
3019 	SIGFILLSET(td->td_sigmask);  in tdsigcleanup()
3187 		if (SIGISMEMBER(td->td_sigmask, sig)) {  in sigprocess()
3314 		SIGSETNAND(sigpending, td->td_sigmask);  in issignal()
3424 		    &td->td_oldsigmask : &td->td_sigmask, ksi.ksi_code);  in postsig()
3441 		KASSERT(!SIGISMEMBER(td->td_sigmask, sig),  in postsig()
3457 			returnmask = td->td_sigmask;  in postsig()
4446 		reschedule_signals(p, td->td_sigmask, 0);  in sigfastblock_resched()